chore: 🤖 add back esbuild as an explicit dep for api addon

This addresses an eslint error but also is more explicit
with the api addon using esbuild directly

Author: hashicc

addons/api/package.json

@@ -38,6 +38,7 @@
     "ember-cli-htmlbars": "^6.3.0",
     "ember-cli-mirage": "^3.0.3",
     "ember-data": "~5.3.12",
+    "esbuild": "^0.25.4",
     "miragejs": "^0.1.48",
     "promise-worker-bi": "^5.0.1",
     "tracked-built-ins": "^4.0.0",